Control of urea SCR systems for US diesel motor applications Michiel van Nieuwstadt Devesh Upadhyay E-COSM09- IFP, Paris, France carbamide SCR applications in the US E-COSM09 contents 1. SCR decorate in the US 2. SCR basics system and chemistry 3. Issues in bidding 1. ammonium hydroxide retentiveness control 2. Ammonia storage observers 4. NOx sensors 5. Outlook carbamide SCR applications in the US E-COSM09 1. SCR landscape in the US US diesel powertrains use mainly SCR for NOx aftertreatment: LNT does not work well for the high temperature level-headed duty bicycle LNT struggle to reach the high take conversion efficiencies (>80%) LNT applications: VW Jetta (T2B5), imposture Ram (T2B8) SCR: 2009: Mercedes GL320, T2B5, 3.0l V6 BMW 335d, T2B5, 3.0l I6, twin turbo BMW X5 xDrive, 3.0l I6, twin turbo Audi Q7, 3.0l V6 2010: crossover F250, F350, F450, ULEV2, 6.7l V8 GM trucks, 2500, 3500, ULEV2, 6.6l V8 Chrysler/ besiege/Cummins trucks, U LEV2, 6.
7l I6 urea SCR applications in the US E-COSM09 cut through F250 Superduty truck Urea SCR applications in the US E-COSM09 F350 vs Focus Urea SCR applications in the US E-COSM09 Ford F250 superduty Urea SCR applications in the US E-COSM09 Emissions standards US diesel standards are subject to a drastic decrement in 2010 2013 will legislate a reduction in OBD threshold US emissions standards, EPA75 light duty, < 8500 lbs, Tier2 Bin5 light duty, < 8500 lbs, Tier2 Bin8 cogent duty chassis cert, 8,500-10,000 lbs monstrous duty chassis cert, 10,000-14,000 lbs heavy duty dyno cert, >14,000 lbs 2010 emissions 0.05 0! .2 0.2 0.4 0.2 2013 emissions 0.05 0.2 0.2 0.4 0.2 OBD 0.125 0.5 0.6 0.6 0.6 OBD 0.0875 0.35 0.4 0.4 0.4 unit chiliad/ millilitre gramme/mile gram/mile gram/mile gram/bhphr adjacent event in US diesel emissions will be LEV 3 for chassis cert: Tier2 Bin2: 0.02 g/m NOx current cycles: US06, SC03 No known changes in dyno certification standards. Urea SCR applications in the US E-COSM09...If you want to get a full essay, orderliness it on our website: BestEssayCheap.com
If you want to get a full essay, visit our page: cheap essay
No comments:
Post a Comment
Note: Only a member of this blog may post a comment.